[FFmpeg-devel] [PATCH 2/6] lavc: set AVSubtitle.pts if possible.

[Nicolas George]

If the packet has a PTS and the corresponding time base is known,
set the pts field of the decoded subtitle structure before the
call to the decoder. The decoder is still allowed to change the
PTS if necessary.

Signed-off-by: Nicolas George <nicolas.george at normalesup.org>
---
 libavcodec/utils.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 99e012a..30b0d21 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -1701,6 +1701,9 @@ int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
     avctx->pkt = avpkt;
     *got_sub_ptr = 0;
     avcodec_get_subtitle_defaults(sub);
+    if (avctx->pkt_timebase.den && avpkt->pts != AV_NOPTS_VALUE)
+        sub->pts = av_rescale_q(avpkt->pts,
+                                avctx->pkt_timebase, AV_TIME_BASE_Q);
     ret = avctx->codec->decode(avctx, sub, got_sub_ptr, avpkt);
     if (*got_sub_ptr)
         avctx->frame_number++;
-- 
1.7.10.4